ANS is committed to advancing, fostering, and promoting the development and application of nuclear sciences and technologies to benefit society.
Explore the many uses for nuclear science and its impact on energy, the environment, healthcare, food, and more.
Division Spotlight
Mathematics & Computation
Division members promote the advancement of mathematical and computational methods for solving problems arising in all disciplines encompassed by the Society. They place particular emphasis on numerical techniques for efficient computer applications to aid in the dissemination, integration, and proper use of computer codes, including preparation of computational benchmark and development of standards for computing practices, and to encourage the development on new computer codes and broaden their use.
Meeting Spotlight
Nuclear Energy Conference & Expo (NECX)
September 8–11, 2025
Atlanta, GA|Atlanta Marriott Marquis
Standards Program
The Standards Committee is responsible for the development and maintenance of voluntary consensus standards that address the design, analysis, and operation of components, systems, and facilities related to the application of nuclear science and technology. Find out What’s New, check out the Standards Store, or Get Involved today!
Latest Magazine Issues
Jun 2025
Jan 2025
Latest Journal Issues
Nuclear Science and Engineering
August 2025
Nuclear Technology
July 2025
Fusion Science and Technology
Latest News
NRC cuts fees by 50 percent for advanced reactor applicants
The Nuclear Regulatory Commission has announced it has amended regulations for the licensing, inspection, special projects, and annual fees it will charge applicants and licensees for fiscal year 2025.
2021 ANS Annual Meeting Plenary SPeaker
X-energy
Chief Executive Officer
J. Clay Sell was appointed CEO of X-energy in January, 2019, and has served on its advisory board since September, 2018. Sell has a deep professional background across many sectors of the U.S. and international energy industry developed during his service in senior level positions in the private sector and government.Clay completed a 14-year run in government as Deputy Secretary of Energy in the George W. Bush Administration from 2005-2008. In that role under Secretary Samuel W. Bodman III, Clay served as Chief Operating Officer of the department and emerged as one of the leading spokesmen and advocates for the Administration’s nuclear energy policies in that era. From 2003-2005, Sell served in the Bush White House as a Special Assistant to the President for Economic Policy and a Special Assistant to the President for Legislative Affairs. From 1999 to 2003, he served as the Clerk for the Senate Energy & Water Subcommittee of Appropriations under the legendary Senator Pete Domenici of New Mexico. Sell began his career in Washington on the staff of future House Armed Services Committee Chairman Mac Thornberry of Texas from 1995-1999.Clay left Washington, DC, in 2008 for his home state of Texas to pursue private business interests. From 2008 to 2018 he was the president of Hunt Energy Horizons, LLC, the renewable energy subsidiary of Hunt Consolidated, Inc., a multi-national energy, real estate, and investment corporation controlled by the Ray L. Hunt Family of Dallas.Clay holds a Juris Doctorate from the University of Texas School of Law and a BBA in Accounting from Texas Tech University.
Last modified February 23, 2021, 9:40am EST